Water. SeaSerpent/Xyz/Effect. 1600/2800. 3 Level 3 monstersWhen your opponent targets exactly 1 other face-up "Mermail" monster you control for an attack, or with a Spell/Trap effect: You can detach 1 Xyz Material from this card; that attack/Spell/Trap now targets this card, if it is an appropriate target. When this card is destroyed and sent to the Graveyard: You can target 1 "Mermail" monster in your Graveyard, except "Mermail Abysstrite"; Special Summon that target.